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SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
/*
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* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/ByteBuffer.h>
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#include <AK/RefPtr.h>
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#include <AK/Result.h>
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#include <AK/Vector.h>
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#include <Kernel/Storage/Partition/PartitionTable.h>
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namespace Kernel {
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class MBRPartitionTable : public PartitionTable {
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public:
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struct [[gnu::packed]] Entry {
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u8 status;
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u8 chs1[3];
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u8 type;
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u8 chs2[3];
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u32 offset;
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u32 length;
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};
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struct [[gnu::packed]] Header {
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u8 code1[218];
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u16 ts_zero;
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u8 ts_drive;
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u8 ts_seconds;
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u8 ts_minutes;
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u8 ts_hours;
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u8 code2[216];
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u32 disk_signature;
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u16 disk_signature_zero;
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Entry entry[4];
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u16 mbr_signature;
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};
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public:
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~MBRPartitionTable();
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static Result<NonnullOwnPtr<MBRPartitionTable>, PartitionTable::Error> try_to_initialize(const StorageDevice&);
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static OwnPtr<MBRPartitionTable> try_to_initialize(const StorageDevice&, u32 start_lba);
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explicit MBRPartitionTable(const StorageDevice&);
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MBRPartitionTable(const StorageDevice&, u32 start_lba);
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bool is_protective_mbr() const;
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bool contains_ebr() const;
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virtual bool is_valid() const override { return m_valid; };
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protected:
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const Header& header() const;
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bool is_header_valid() const { return m_header_valid; };
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private:
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bool read_boot_record();
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bool initialize();
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bool m_valid { false };
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bool m_header_valid { false };
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const u32 m_start_lba;
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ByteBuffer m_cached_header;
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};
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}
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